Finding the Fourth Proportional to 1,790,083.92, 2,685,133.12 and 725,146.14
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Solution
The fourth proportional to 1,790,083.92, 2,685,133.12 and 725,146.14 is: 1,087,722.14
Step by Step Solution
- Step 1: Write the proportion equation
1,790,083.92 : 2,685,133.12 = 725,146.14 : x - Step 2: Convert to fraction form
1,790,083.92/2,685,133.12 = 725,146.14/x - Step 3: Cross multiply
1,790,083.92x = 2,685,133.12 × 725,146.14 - Step 4: Simplify right side
1,790,083.92x = 1,947,113,917,354.16 - Step 5: Solve for x
x = 1,947,113,917,354.16/1,790,083.92 - Step 6: Final answer
x = 1,087,722.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.